From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
mingo@elte.hu, "Paul Mackerras" <paulus@samba.org>,
"David S. Miller" <davem@davemloft.net>,
"Frédéric Weisbecker" <fweisbec@gmail.com>,
perfmon2-devel@lists.sf.net
Subject: Re: [BUG] perf_event: crash in perf_output_begin
Date: Mon, 10 May 2010 17:52:19 +0200 [thread overview]
Message-ID: <1273506739.5605.3407.camel@twins> (raw)
In-Reply-To: <AANLkTilxN7Lq8yywpsz8voqYo0hqOX0DGcoqHmAdmFW_@mail.gmail.com>
On Mon, 2010-05-10 at 17:33 +0200, Stephane Eranian wrote:
> Hi,
>
> While testing 2.6.34-rc7 I ran into the following issue when
> using BTS sampling on Intel Core. It seems like something
> is not terminated properly. I am sampling BTS per-thread
> on a test program, then hit CTRL-C, one second later my
> machine crashes while running bash. Crash dump below:
>
> [ 750.249109] general protection fault: 0000 [#1] SMP
> [ 750.249270] CPU 3
> [ 750.249270] Pid: 6132, comm: bash Not tainted 2.6.34-rc7-tip+ #46
Can you try and reverting 4fd38e4595e2f6c9d27732c042a0e16b2753049c, I
spend most of the day chasing that, and I can't say I'm much wiser.
next prev parent reply other threads:[~2010-05-10 15:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-10 15:33 Stephane Eranian
2010-05-10 15:52 ` Peter Zijlstra [this message]
2010-05-10 20:03 ` Stephane Eranian
2010-05-11 7:47 ` Peter Zijlstra
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